T1 Energy Executive and Leadership Team

May, 2026

Leadership Overview

T1 Energy has 5 executives leading key functions including strategy, operations, technology, and finance.

Driven by a commitment to national energy independence, T1 Energy is dedicated to building domestic solar and battery supply chains to invigorate America with scalable, reliable, and low-cost energy solutions, recognizing energy as the lifeblood of civilization.

Leadership Roles at T1 Energy

  • Chief Executive Officer & Chairman of the Board - Daniel Barcelo
  • Chief Financial Officer - Evan Calio
  • Group Chief Financial Officer - Oscar Brown
  • Chief Operating Officer - Jaime Gualy
  • Chief Technology Officer - Andreas Bentzen
  • Daniel Barcelo - Chief Executive Officer & Chairman of the Board

    Daniel Barcelo, the Chief Executive Officer & Chairman of the Board at T1 Energy, directs the overarching corporate strategy and governance. Barcelo guides the company's mission to invigorate America with scalable, reliable, and low-cost energy by building domestic solar and battery supply chains. This leadership role involves setting the long-term vision for advanced manufacturing capacity to unlock the nation's most scalable energy resources. Barcelo ensures alignment between operational execution and strategic objectives, driving T1 Energy's commitment to energy independence. The Chairman of the Board's oversight ensures robust corporate practices and stakeholder value. Daniel Barcelo's strategic direction is fundamental to T1 Energy's market position and growth trajectory in the critical energy sector.
    Daniel Barcelo

    Evan Calio - Chief Financial Officer

    Evan Calio, the Chief Financial Officer at T1 Energy, manages the financial strategy and resources supporting the company's growth in domestic solar and battery supply chains. Calio oversees all financial planning, accounting, and reporting functions, ensuring fiscal responsibility and driving economic viability for T1 Energy's operations. This role is vital for securing the necessary capital to build scalable, reliable, and low-cost energy solutions. The Chief Financial Officer's expertise is essential for T1 Energy's commitment to invigorating America's energy infrastructure through advanced manufacturing. Calio guides investment decisions and financial performance metrics. Evan Calio's financial acumen is instrumental in achieving T1 Energy's long-term objectives and market impact.
    Evan Calio

    Oscar Brown - Group Chief Financial Officer

    Oscar Brown, the Group Chief Financial Officer at T1 Energy, oversees the comprehensive financial operations and strategic fiscal planning across the organization. Brown directs the financial architecture necessary to support T1 Energy's expansion of domestic solar and battery supply chains, ensuring robust financial health and sustainable growth. This leadership function is critical for enabling the development of scalable, reliable, and low-cost energy solutions that invigorate America. The Group Chief Financial Officer's responsibilities include managing group-level financial performance, capital allocation, and investor relations to bolster the nation's advanced manufacturing capacity. Oscar Brown's financial oversight is key to T1 Energy's mission and its contribution to the energy sector.

    Jaime Gualy - Chief Operating Officer

    Jaime Gualy, the Chief Operating Officer at T1 Energy, executes the operational framework essential for building domestic solar and battery supply chains. Gualy oversees the day-to-day functions that translate T1 Energy's strategic goals into tangible advancements in scalable, reliable, and low-cost energy production. This involves managing manufacturing processes, optimizing supply chain logistics, and ensuring operational efficiency across all facilities. The Chief Operating Officer's focus is on enhancing America's advanced manufacturing capacity for energy resources. Gualy drives initiatives to improve production output and maintain high standards of quality and reliability. Jaime Gualy's operational leadership is critical for T1 Energy's mission to invigorate the nation's energy infrastructure.
    Jaime Gualy

    Andreas Bentzen - Chief Technology Officer

    Andreas Bentzen, the Chief Technology Officer at T1 Energy, spearheads the technological innovation required for developing advanced solar and battery supply chains. Bentzen directs research and development efforts focused on creating scalable, reliable, and low-cost energy solutions. This leadership position involves identifying and implementing cutting-edge technologies that enhance manufacturing capabilities and energy efficiency. The Chief Technology Officer's role is crucial for T1 Energy's objective of bolstering America's advanced manufacturing capacity. Bentzen ensures that the company's technological roadmap aligns with its mission to invigorate the nation's energy sector. Andreas Bentzen's technical expertise drives the development of next-generation energy products and processes.
    Andreas Bentzen

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    Frequently Asked Questions Regarding T1 Energy Top Executives and Leadership Team

    Who leads T1 Energy?
    T1 Energy is led by Daniel Barcelo (Chief Executive Officer & Chairman of the Board), along with executives such as Evan Calio (Chief Financial Officer) and Oscar Brown (Group Chief Financial Officer).
    Who is part of T1 Energy’s executive team?
    The executive team of T1 Energy includes leaders such as Daniel Barcelo (Chief Executive Officer & Chairman of the Board), Evan Calio (Chief Financial Officer), Oscar Brown (Group Chief Financial Officer) and other senior executives.
    How many executives does T1 Energy have?
    T1 Energy has 5 executives leading key business areas.
    What roles are included in T1 Energy’s leadership team?
    The leadership team of T1 Energy includes roles such as Chief Executive Officer & Chairman of the Board, Chief Financial Officer, Group Chief Financial Officer, Chief Operating Officer, Chief Technology Officer.